Analysis
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max time kernel
150s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe
Resource
win10v2004-20240426-en
General
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Target
74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe
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Size
4.1MB
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MD5
d9f38e8050a525f0bee79251c32416a9
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SHA1
46a20e4069684cde5563b4ed3eda24aeffd5e5ec
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SHA256
74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99
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SHA512
81c19bec2dec5d0df11fe50da8f672414441d902fd394371a06a1e5bbbbe037b0db831fb846c2b234f434b1677207a740cadb86ffa9d8b015cabd29f06a68e1f
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SSDEEP
98304:IafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjX:I4KGRhU7CB2KZRm43qRo3hpTjX
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/876-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/876-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/876-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/876-99-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4604-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4856-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4804 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4856 csrss.exe 1084 injector.exe 2064 windefender.exe 3116 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa36-202.dat upx behavioral2/memory/2064-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3116-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2064-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3116-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3116-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe File created C:\Windows\rss\csrss.exe 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3804 sc.exe -
pid Process 4928 powershell.exe 792 powershell.exe 3124 powershell.exe 2924 powershell.exe 3116 powershell.exe 1532 powershell.exe 2552 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3748 schtasks.exe 868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3124 powershell.exe 3124 powershell.exe 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 2924 powershell.exe 2924 powershell.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 3116 powershell.exe 3116 powershell.exe 1532 powershell.exe 1532 powershell.exe 2552 powershell.exe 2552 powershell.exe 4928 powershell.exe 4928 powershell.exe 792 powershell.exe 792 powershell.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 4856 csrss.exe 4856 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 4856 csrss.exe 4856 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 4856 csrss.exe 4856 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Token: SeImpersonatePrivilege 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeSystemEnvironmentPrivilege 4856 csrss.exe Token: SeSecurityPrivilege 3804 sc.exe Token: SeSecurityPrivilege 3804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 876 wrote to memory of 3124 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 82 PID 876 wrote to memory of 3124 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 82 PID 876 wrote to memory of 3124 876 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 82 PID 4604 wrote to memory of 2924 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 87 PID 4604 wrote to memory of 2924 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 87 PID 4604 wrote to memory of 2924 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 87 PID 4604 wrote to memory of 1968 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 89 PID 4604 wrote to memory of 1968 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 89 PID 1968 wrote to memory of 4804 1968 cmd.exe 91 PID 1968 wrote to memory of 4804 1968 cmd.exe 91 PID 4604 wrote to memory of 3116 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 92 PID 4604 wrote to memory of 3116 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 92 PID 4604 wrote to memory of 3116 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 92 PID 4604 wrote to memory of 1532 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 94 PID 4604 wrote to memory of 1532 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 94 PID 4604 wrote to memory of 1532 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 94 PID 4604 wrote to memory of 4856 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 96 PID 4604 wrote to memory of 4856 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 96 PID 4604 wrote to memory of 4856 4604 74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe 96 PID 4856 wrote to memory of 2552 4856 csrss.exe 97 PID 4856 wrote to memory of 2552 4856 csrss.exe 97 PID 4856 wrote to memory of 2552 4856 csrss.exe 97 PID 4856 wrote to memory of 4928 4856 csrss.exe 102 PID 4856 wrote to memory of 4928 4856 csrss.exe 102 PID 4856 wrote to memory of 4928 4856 csrss.exe 102 PID 4856 wrote to memory of 792 4856 csrss.exe 105 PID 4856 wrote to memory of 792 4856 csrss.exe 105 PID 4856 wrote to memory of 792 4856 csrss.exe 105 PID 4856 wrote to memory of 1084 4856 csrss.exe 107 PID 4856 wrote to memory of 1084 4856 csrss.exe 107 PID 2064 wrote to memory of 5072 2064 windefender.exe 113 PID 2064 wrote to memory of 5072 2064 windefender.exe 113 PID 2064 wrote to memory of 5072 2064 windefender.exe 113 PID 5072 wrote to memory of 3804 5072 cmd.exe 114 PID 5072 wrote to memory of 3804 5072 cmd.exe 114 PID 5072 wrote to memory of 3804 5072 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe"C:\Users\Admin\AppData\Local\Temp\74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124
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C:\Users\Admin\AppData\Local\Temp\74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe"C:\Users\Admin\AppData\Local\Temp\74d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2924
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4804
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3220
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4928
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:792
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3116
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5780c031c5627ddd947fcb392d620be91
SHA19831cfba654377ce0dc16e86ee82b042f7f3f226
SHA2560fdbb1f2e97beab33875ae0eeeba8dfd1ccb8e79cad46747046b7c1daa2cd8c8
SHA512e8ee342ebe4722302650124ec52f9ac248eb1d5592fb298de65f1a5e2596953c8cb32163b1488764946087e0eac08e35c9a0b1935672b9a43def1cf246138a38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567e2bbe5eb9152b2927dbd2d215b48e9
SHA1233528819e2606c6bd43180ba281b90893801fd1
SHA2560520ff0388aaa504c444ae06f759d47db841e5153ea5f2b1afed2cc3566621a4
SHA512c6c2c6f8ad1ec971cce6e218a995aa1e1c7b3a0e9d31adbf58c527edfd799f76e778d20cc4d51f31da0ef760b03c8de9b11695347269bc23106c2903555e02af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df2dfc7a6adeb79815e5e6bcadb22883
SHA12d76220fe048e77ff7df260147393bc446d2d02a
SHA2564acc5f5ee75a3e74fb252709c96bfd4c98c3de9f6ae297f342fcc56b21d1a515
SHA512cbbecdba5ce5cb3e40965ef167baab525ceee10871a460ec6714f24bca073525da92009ae3c40343f56bfd8ad3d9110853c0bb1d4a53522c79cb8583f618cc38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5453f57222292aabf71d1268910a6c2b7
SHA1efd5b8f4b67a973dd478e9d2227b3e060de8e319
SHA25645492d4d92aea75614e03afb64b1e17c538f147d8bb3e7263fd0cd014c1383db
SHA512c716ba879fcdb647ba8c88b53c0bb3a1722278130d39f314a41afd2d24dc59e2144cab4981c7c4cba1bee41380e368cb91e7b45032a9058a50bdd9b6365749c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5505c17bd0a7813da18805507afff596f
SHA143b63b262fa257fa4071fed250fd62f7fc3d56c7
SHA25625095b18e498f092858a9b99546cb7848a6bfcc3cefe74257c53055b797517e4
SHA51223f29a5f9df4c4210774fff5e534e07e61488189d019426e43b6a26ecfc2aa50672924dc43df7cdc1150e3ce5daa73652fa7516d40688548bebac4bb244637da
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Filesize
4.1MB
MD5d9f38e8050a525f0bee79251c32416a9
SHA146a20e4069684cde5563b4ed3eda24aeffd5e5ec
SHA25674d12e30c2579d89349c0b6940a906bddbf72e1540c37333c9508bf86e33ca99
SHA51281c19bec2dec5d0df11fe50da8f672414441d902fd394371a06a1e5bbbbe037b0db831fb846c2b234f434b1677207a740cadb86ffa9d8b015cabd29f06a68e1f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec